A Physics Exam Question

By Vivian McPhail

 

This photograph was taken at 02h51 NZDT from Princes Wharf, Auckland, New Zealand, on 22 October 2008.  Suppose the shadow over the moon were caused by a 10 kilotonne plutonium nuclear discharge.  Calculate the expected radiation exposure of the photographer in terms of number of γ-rays, their energies, and which elements and compounds in the body are most likely to be effected and how.

[Addendum, 24 November 2008]

Using Google Earth and an applet found on the internet I generated this picture:

 

Position of the moon at 02h56, 22 October 2008

Position of the moon at 02h56, 22 October 2008

 

Given the known position of the moon, the partial masking of the moon by the dark brown, opaque pair of clouds, the direction of the photograph, and a recent visit by a cruise ship to Auckland, it is possible that the cruise ship did not make it to port.

[24 March 2008]

“By the way, that was because someone touched the grand-daughter of the Queen of Denmark” said by a Cambodian Khmer Rouge, front for the Mossad, woman just moments ago. Interesting, she was touchedby someone in the Mossad.

By the way, to save the world I would nuclearise New Zealand, even from Auckland.

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